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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: [S]: Script
Date: 27 May 1996 10:26:15 GMT
Organization: Private BSD site, Dresden
Lines: 54
Message-ID: <4oc007$6u0@uriah.heep.sax.de>
References: <xorMtMD4F99aRz1@borki.zug.use.ch>
Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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BORKI@zug.use.ch (Reto Burkhalter) wrote:
> I'm looling for a shell script or command line syntax in
> order to delete lines in a file with a specific content.
> I want to delete member entries in a database without having
> to invoke an editor.
>
> e.g. database file
>
> foo xxyy
> bar yyzz
> sec zzaa
>
>
> %script <file> <entry> ; %script database foo -> deletes the
> first entry (line) in the database.
>
> Who can help me??
Why don't you wanna use an editor? :) (This is, of course, untested,
i hope i didn't forget anyhting.)
#!/bin/sh
usage()
{
echo "usage: $0 file entry" 1>&2
exit 1
}
if [ $# -ne 2 ] ; then
usage
fi
file=$1
entry=$2
if [ ! -f "$file" ] ; then
echo "$0: $file not found" 1>&2
fi
ed -s "$file" <<EOF
/^$entry/d
w
q
EOF
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)